bids are invited for procurement of spare parts of different units title1 - limit switch counter gear rotork k60f10a , title2 - o ring set rotork k60f10a , title3 - rotork make center column for k30f10e 24 rpm wd1687z00cp3 , title4 - rotork make worm wheel and worm shaft for k30f10e 24 rpm wd1687z00cp3 , title5 - rotork k150f10e oil seal o ring kit , title6 - rotork make volume booster model w20359 ratio 1to1 maximum supply pressure 250 psig 17 bar maximum signal 10 bar maximum output pressure 150 psig 10 bar inlet and outlet port size 1upon 4 npt flow capacity 45 scfm 76.5 cu m/hr exhaust capacity 11 scfm 18.7 cu m/hr sensitivity water column 1/4 0.64cm ratio accuracy 1.0 supply pressure effect 0.1psig 0.007 bar for change of 100 psig 7bar ambient temperature -40 to 93.3 deg c -40 to 200